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665 HAZWOPER for General Site Workers VI
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Full Body Protection

Fully-Encapsulating Suits

A one-piece garment. Boots and gloves may be integral, attached and replaceable, or separate.

Fully Encapsulated Suit
Two workers in fully encapsulated PPE carrying a stretcher
  • It protects against splashes, dust, gases, and vapors.
  • It does not allow body heat to escape. May contribute to heat stress in wearer, particularly if worn in conjunction with a closed-circuit SCBA; a cooling garment may be needed.
  • Impairs worker mobility, vision, and communication.

Non-Encapsulating Suits

Includes a jacket, hood, pants, or bib overalls, and one-piece coveralls.

  • These protect against splashes, dust, and other materials but not against gases and vapors. Does not protect parts of head or neck.
  • Do not use where gas-tight or pervasive splashing protection is required.
  • They may contribute to heat stress in the wearer.
  • They have tape-seal connections between pant cuffs and boots and between gloves and sleeves.

Knowledge Check Choose the best answer for the question.

2-2. John is wearing a fully encapsulated suit to protect him while working. How might the suit make his job more difficult?